12077320 has 16 divisors (see below), whose sum is σ = 27174060. Its totient is φ = 4830912.

The previous prime is 12077291. The next prime is 12077333. The reversal of 12077320 is 2377021.

It can be written as a sum of positive squares in 2 ways, for example, as 11710084 + 367236 = 3422^2 + 606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12077291 and 12077300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150927 + ... + 151006.

Almost surely, 2^12077320 is an apocalyptic number.

12077320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12077320 is an abundant number, since it is smaller than the sum of its proper divisors (15096740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12077320 is a wasteful number, since it uses less digits than its factorization.

12077320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301944 (or 301940 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 12077320 is about 3475.2438763344. The cubic root of 12077320 is about 229.4335145356.

The spelling of 12077320 in words is "twelve million, seventy-seven thousand, three hundred twenty".